Crème Anglaise (Vanilla Custard Sauce)
The French pouring custard that serves as the base for ice cream and the sauce for about a hundred different desserts. Egg yolks, sugar, milk, vanilla — stirred over low heat until it thickens just enough to coat the back of a spoon. The key is knowing when to stop: too hot and the yolks curdle, too cool and it stays thin.
Instructions
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Whisk egg yolks and sugar together in a bowl until pale and slightly thick, about 1 minute.
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Heat milk with the vanilla bean (pod and seeds) and salt in a saucepan over medium heat until steaming. Do not boil.
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Slowly pour about half the hot milk into the yolk mixture, whisking constantly. This tempers the yolks so they do not scramble.
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Pour the tempered mixture back into the saucepan. Cook over medium-low heat, stirring constantly with a wooden spoon or spatula in a figure-eight pattern.
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The custard is done when it reaches 170°F to 175°F and coats the back of the spoon — draw your finger through it and the line should hold. Do not let it boil.
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Immediately strain through a fine-mesh sieve into a clean bowl. Remove the vanilla pod (if using extract, add it now). Press plastic wrap directly onto the surface and refrigerate until cold.